Edit in JSFiddle

<body>
<p id="target">This is 20Fingers2Brains. </p>
<button id="apply">Click ME!</button>
<button  onclick="location.reload()">Reset</button>
</body>
$(document).ready(function()
{
$('#apply').click(function()
{
$('#target').append("powered by KK.")
});
});